Gear Ratio: Difference between revisions
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=====Description===== | |||
The [https://en.wikipedia.org/wiki/Gear_ratio '''Gear Ratio'''] is simply the number of teeth on the '''driver''' gear compared with the number of teeth on the '''driven''' gear. It is the term used with gearing to mean '''[[Velocity Ratio]]'''. | The [https://en.wikipedia.org/wiki/Gear_ratio '''Gear Ratio'''] is simply the number of teeth on the '''driver''' gear compared with the number of teeth on the '''driven''' gear. It is the term used with gearing to mean '''[[Velocity Ratio]]'''. | ||
If both gears have the same number of teeth, they will rotate at the same speed, however if they have different numbers of teeth then the gear with fewer teeth will rotate more quickly - i.e. the '''[[Velocity Ratio]]''' of a pair of meshing gears is given as the ''Number of Teeth of the Driver Gear divided by the Number of Teeth'' of the Driven Gear. The '''[[Mechanical Advantage]]''' similarly is given as ''No. of Teeth on Driven divided by No. of Teeth on Driver''. | A gear will always rotate in an opposite direction to the gear it meshes with. | ||
=====Features and Applications===== | |||
<span style="color: green">'''Note:''' | |||
If both gears have the same number of teeth, they will rotate at the same speed, however if they have different numbers of teeth then the gear with fewer teeth will rotate more quickly - i.e. the '''[[Velocity Ratio]]''' ''(or [https://en.wikipedia.org/wiki/Gear_ratio ‘Gear Ratio’])'' of a pair of meshing gears is given as the ''Number of Teeth of the Driver Gear divided by the Number of Teeth'' of the Driven Gear. The '''[[Mechanical Advantage]]''' ''(or [https://en.wikipedia.org/wiki/Torque ‘Torque Ratio’])'' similarly is given as ''No. of Teeth on Driven divided by No. of Teeth on Driver''. | |||
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{{Gears Buyers Guide}} | |||
[[Category:Secondary]] | [[Category:Secondary]] | ||
[[Category:Gears]] | [[Category:Gears]] | ||
[[Category:Terminology]] | |||
Latest revision as of 17:09, 4 August 2016
Description
The Gear Ratio is simply the number of teeth on the driver gear compared with the number of teeth on the driven gear. It is the term used with gearing to mean Velocity Ratio.
A gear will always rotate in an opposite direction to the gear it meshes with.
Features and Applications
Note: If both gears have the same number of teeth, they will rotate at the same speed, however if they have different numbers of teeth then the gear with fewer teeth will rotate more quickly - i.e. the Velocity Ratio (or ‘Gear Ratio’) of a pair of meshing gears is given as the Number of Teeth of the Driver Gear divided by the Number of Teeth of the Driven Gear. The Mechanical Advantage (or ‘Torque Ratio’) similarly is given as No. of Teeth on Driven divided by No. of Teeth on Driver.
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